Caliber lookup
Movement referencelong run

7S55

Higher-grade 7S-series auto used in select Seiko 5 and SUS/Spirit models, often with open-heart dials.

Type
automatic
Jewels
23
Produced
1996–2012 ~
Family
Seiko 5
Date a 7S55 from its serial

In the catalogue

0 models

No models with the 7S55 are in the catalogued sets yet — our extracted catalogues are mostly 1970s Japanese-domestic editions. More catalogues are being digitised.